Bullichthys

Bullichthys is an extinct genus of marine albuliform fish which existed in the Romualdo Formation, Brazil during the Early Cretaceous (Albian) period. The type species is B. santanensis. The genus name references its inflated otic bulla.^[1]

Bullichthys Temporal range: Albian ~112 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Albuliformes
Genus:	†Bullichthys Mayrinck, Brito & Otero, 2010
Species:	†B. santanensis
Binomial name
†Bullichthys santanensis Mayrinck, Brito & Otero, 2010

It is thought to be one of the most basal members of the order Albuliformes, whose only extant relatives are the bonefish and gissus.^[1]^[2] At least one study has instead found it to possibly represent a stem-elopiform or even a stem-elopomorph, although most studies continue to recover it as an albuliform.^[3]^[4]

^ ^a ^b Mayrinck, Diogo; Brito, Paulo M.; Otero, Olga (2010-04-01). "A new albuliform (Teleostei: Elopomorpha) from the Lower Cretaceous Santana Formation, Araripe Basin, northeastern Brazil". Cretaceous Research. 31 (2): 227–236. Bibcode:2010CrRes..31..227M. doi:10.1016/j.cretres.2009.11.002. ISSN 0195-6671.

^ de Figueiredo, F. J.; Gallo, V.; Leal, M. E. C. (2012-10-01). "Phylogenetic relationships of the elopomorph fish †Paraelops cearensis Silva Santos revisited: Evidence from new specimens". Cretaceous Research. 37: 148–154. Bibcode:2012CrRes..37..148D. doi:10.1016/j.cretres.2012.03.012. ISSN 0195-6671.

^ Dornburg, Alex; Friedman, Matt; Near, Thomas J. (2015-08-01). "Phylogenetic analysis of molecular and morphological data highlights uncertainty in the relationships of fossil and living species of Elopomorpha (Actinopterygii: Teleostei)". Molecular Phylogenetics and Evolution. 89: 205–218. doi:10.1016/j.ympev.2015.04.004. ISSN 1055-7903.

^ L-Recinos, Marleni; Cantalice, Kleyton M.; Caballero-Viñas, Carmen; Alvarado-Ortega, Jesús (2023). "A new Mesozoic teleost of the subfamily Albulinae (Albuliformes: Albulidae) highlights the proto-Gulf of Mexico in the early diversification of extant bonefishes". Journal of Systematic Palaeontology. 21 (1). Bibcode:2023JSPal..2123797L. doi:10.1080/14772019.2023.2223797. ISSN 1477-2019.

Fish

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